Including results for alien theory monster.
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Could Alien Technology Really Exist? | The Universe | Marathon
2:12:25
Could Alien Technology Really Exist? | The Universe | Marathon
139.1K views1 month ago
YouTubeHISTORY
Did a Space Virus Change Human DNA? *Marathon* | Ancient Aliens
2:08:19
Did a Space Virus Change Human DNA? *Marathon* | Ancient Aliens
39.2K views1 month ago
YouTubeHISTORY
2025’s Biggest Alien Discoveries (Part 2) | Ancient Aliens
1:04:06
2025’s Biggest Alien Discoveries (Part 2) | Ancient Aliens
1.3M views8 months ago
YouTubeHISTORY
The Truth Behind These Unexplained Phenomena | Ancient Aliens
20:20
The Truth Behind These Unexplained Phenomena | Ancient Aliens
204.1K views3 months ago
YouTubeHISTORY
The most unsettling alien theory
30:26
The most unsettling alien theory
3 weeks ago
MSNIsaac Arthur
Inside the Mystery of the Greys | Ancient Aliens
48:49
Inside the Mystery of the Greys | Ancient Aliens
1.6M views7 months ago
YouTubeHISTORY
Have Aliens Been Visiting Earth for Millions of Years? | Ancient Aliens | History
37:13
Have Aliens Been Visiting Earth for Millions of Years? | Ancient Aliens | History
7.3M viewsApr 3, 2025
YouTubeHISTORY
42:17
Extraterrestrial Moon Bases: Strange Evidence Explained | Ancient Aliens (S1, E11) | Full Episode
3.8M viewsJul 23, 2025
YouTubeHISTORY
40:56
Big Alien Theory
110.8K views6 months ago
YouTubeIsaac Arthur
32:32
The Hybrid Theory: Human or Alien? | Ancient Aliens | History
1M views9 months ago
YouTubeHISTORY
31:07
The ancient alien theory sounded possible - until the missing evidence became impossible to ignore
3 weeks ago
MSNIsaac Arthur
28:46
Close Encounters with Terrifying Aliens | UFO Files
199.4K views4 months ago
YouTubeHISTORY
59:11
Ancient Aliens: TOP UFO MYSTERIES OF 2025 | Part 1
421.2K views8 months ago
YouTubeHISTORY
13:20
10 Alien Species Believed to Be Visiting Earth
125.8K viewsJun 25, 2025
YouTubeWatchMojo.com
6:07
Ancient Aliens: The Shocking Theory Behind the Gods (S1)
26.7K views3 months ago
YouTubeHISTORY
30:56
Egypt’s Greatest Secrets and Alien Theories | Ancient Aliens
299.1K views3 months ago
YouTubeHISTORY
41:42
10 Strange Creatures Science Still Can't Explain | Ancient Aliens (S20, E2) | Full Episode
71K views2 months ago
YouTubeHISTORY
20:09
Cosmic Alien Mysteries | Space's Deepest Secrets | Science Channel
16.5K views10 months ago
YouTubeScience Channel
1:03:40
Alien Conspiracy: They Are Here
2.2K views3 months ago
YouTubeExtreme Mysteries
3:39
Alien: Every Xenomorph Stage Explained
4.5K viewsAug 17, 2025
YouTubeScreenRant
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